The MM3Z3V6BW with SOD-323W Zener Diode ROHS is a surface-mounted device that is used in various specific responsible applications. It is manufactured by Jingdao and is composed of two main components, a semiconductor diode and a resistive element. The diode is a Zener Diode, which means it functions as a voltage regulator; the resistive element is the resistor that allows the diode to operate in its specified range. It is specifically suited for applications involving LED lighting, solar cells, battery protection systems, and high-end audio systems. This product is also approved for RoHS compliance, meaning that there are no hazardous materials used in its manufacturing process.